Yes.
y represents the temperature.
x represents the number of hours past 8:00am.
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P is the point (2,k)
PA = PB
PA = √(49 + (2-k)²) and PB = √(1 + (6 - k)²)
√(49 + (2-k)²) = √(1 + (6 - k)²) => (49 + (2-k)² = (1 + (6 - k)²
=> 49 + 4 - 4k + k² = 1 + 36 - 12k + k² => 8k = 37 - 53 = -16 => k = -2
The answer is A(3). 3 arcs will be drawn
If i did it right the anwser is 20
His average speed will be 75 miles per hour. Hope it help!
